CN218241547U - Low-noise expansion valve coil - Google Patents
Low-noise expansion valve coil Download PDFInfo
- Publication number
- CN218241547U CN218241547U CN202221604132.1U CN202221604132U CN218241547U CN 218241547 U CN218241547 U CN 218241547U CN 202221604132 U CN202221604132 U CN 202221604132U CN 218241547 U CN218241547 U CN 218241547U
- Authority
- CN
- China
- Prior art keywords
- coil
- shell
- frame
- expansion valve
- lower coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an expansion valve coil of low noise, utmost point plate spare in last coil shell, lower coil shell, coil, the inside middle-end of going up coil shell and lower coil shell all runs through and is equipped with spacing circular arc board, outside a week of the correspondence of spacing circular arc board all is equipped with insulating spacing ring, go up the fixed design as an organic whole of bolt spare that establishes on coil shell and the lower coil shell pass through the combination piece, can make the coil body break down the back, conveniently maintain the dismantlement decomposition of going up coil shell and lower coil shell, and then make this expansion valve coil overhaul maintenance more convenient, through the setting of the inboard insulating telescopic support piece of last coil frame and lower coil frame, can make go up the coil frame, produce the holding power between coil frame and the coil body, guarantee that the coil body does not produce the noise of vibration friction with last coil frame, between the lower coil frame to can effectively guarantee the stability between coil frame, the coil frame and the coil body.
Description
Technical Field
The utility model belongs to the technical field of the expansion valve, concretely relates to expansion valve coil of low noise.
Background
The expansion valve coil is used as a common component and plays an important role in the production process; because the working environment steam of expansion valve coil is great, so when producing expansion valve coil, to expansion valve coil's leakproofness requirement very high, at present when producing the sealed expansion valve coil of integration, because structural design's defect, the expansion valve coil leakproofness often appears and the unnecessary problem appears.
Therefore, the integrated expansion valve coil with the publication number of CN209843417U comprises a spool, wherein the spool comprises an upper spool and a lower spool, the spool comprises a cylinder, one end of the cylinder extends outwards along the circumference of the cylinder and is provided with a first end plate, the other end of the cylinder extends outwards along the circumference of the cylinder and is provided with a second end plate, and the middle parts of the circumferential side edges of the first end plate and the second end plate are both inwards concave and provided with concave ring grooves A; the inner side surface of the first end plate, the inner side surface of the second end plate and the cylinder are enclosed to form an annular groove for winding metal wires, and concave annular grooves B are formed in the outer side surfaces of the first end plate and the second end plate along the circumferences of the first end plate and the second end plate; the upper end surface and the lower end surface of the polar plate are both provided with fixing claws A, the lower I-shaped wheel is arranged at the lower end of the polar plate through the fixing claws A, the upper I-shaped wheel is arranged at the upper end of the polar plate through the fixing claws A, and the upper I-shaped wheel, the polar plate and the lower I-shaped wheel are molded through a mold to form an integrated structure.
To above-mentioned this integration expansion valve coil, although guaranteed the sealed of the inner structure of I-shaped wheel when moulding plastics, effectively prevented the emergence of expansion valve coil gas tightness problem through concave groove A and concave groove B, its still has following comparatively obvious defect in the use: the integrated design of the expansion valve coil is inconvenient to maintain when a fault occurs in the expansion valve coil, and the disassembly and the assembly are very troublesome, meanwhile, in the using process of the expansion valve coil, the expansion valve mainly controls the valve needle to open and close through electrifying the electromagnetic coil, however, after the expansion valve coil is started, the expansion valve coil can shake to generate harsh noise, noise sources are complex, meanwhile, no component capable of suppressing the noise is arranged in the expansion valve coil, so that the noise is continuously transmitted, the noise is generated due to the fact that the component provided with the damping buffer is arranged between the expansion valve coil and the expansion valve coil, the vibration and other components are easy to generate the noise through contact friction, and the vibration can also cause the expansion valve coil to be damaged due to collision, so that the service life is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an expansion valve coil of low noise to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an expansion valve coil of low noise, includes coil shell, lower coil shell, coil middle plate spare in, the inside middle-end of going up coil shell and lower coil shell all runs through and is equipped with spacing circular arc board, outside a week of the correspondence of spacing circular arc board all is equipped with insulating spacing ring, the corresponding outside a week equidistance of insulating spacing ring is fixed with insulating elastic sleeve, the inside of insulating elastic sleeve all is fixed with the elastic component of making an uproar of falling, the last lower extreme of coil middle plate spare is equipped with coil frame and lower coil frame respectively, coil frame and lower coil frame surface have all cup jointed the coil body, the one side of going up coil frame and lower coil frame all is equipped with spacing ring groove, a week in the corresponding outside of spacing ring groove all is equipped with the support slot, the left side of going up coil frame and lower coil frame is equipped with coil location board, lower coil location board respectively, the inboard correspondence of going up coil location board, lower coil location board is equipped with spacing fixture block, the left end of coil location board, the left end constitution has the lead wire portion jointly.
Go up the inside of coil shell and lower coil shell inside wall and be equipped with and inhale the sound and fall the noise floor of making an uproar, through the setting of inhaling the sound and fall the noise floor, can adsorb the noise effect of making an uproar that falls to the inside coil body of expansion valve produces in the course of the work to can play coil body guard action, thereby make the coil body can not produce the collision friction with last coil shell and lower coil shell, the right side of going up coil shell and lower coil shell all is equipped with the combination piece, and goes up the coil shell and pass through the combination piece on the fixed body design of bolt spare of establishing, can make the coil body break down the back, conveniently decompose the maintenance to the dismantlement of going up coil shell and lower coil shell, and then make this expansion valve coil overhaul more convenient of maintenance.
The upper coil frame, the lower coil frame and the coil middle pole plate are fixedly arranged inside the upper coil shell and the lower coil shell, and the left end and the right end of the inner side of the upper coil frame and the inner side of the lower coil frame are symmetrically provided with the insulating telescopic supporting pieces, so that elastic supporting force can be generated between the upper coil frame and the coil body and between the lower coil frame and the coil body, and the coil body is prevented from generating vibration friction noise between the upper coil frame and the lower coil frame, and the stability between the upper coil frame and the coil body and between the lower coil frame and the coil body can be effectively guaranteed.
The movable clamping of the limiting circular arc plates arranged on the inner sides of the upper coil frame and the lower coil frame is arranged on the inner side of the middle end of the upper coil frame and the lower coil frame, so that the upper coil frame, the lower coil frame, the upper coil frame and the lower coil frame are more firmly and stably installed, noise generated by clearance friction can not be generated, the low-noise characteristic of the expansion valve coil is further ensured, the insulating limiting ring is movably spliced with the limiting circular grooves arranged on the upper coil frame and the lower coil frame in a matched mode, the expansion valve coil can be enabled to work, the stable limiting effect on the upper coil frame and the lower coil frame is achieved through the matching of the limiting circular grooves and the insulating limiting ring, noise generated by vibration of the upper coil frame and the lower coil frame can be reduced, and the effect of low noise can be achieved.
The design of the elastic support matched with the support grooves formed in the upper coil frame and the lower coil frame is that the insulating elastic sleeve is arranged on the inner side of the upper coil shell and the inner side of the lower coil shell at equal intervals, the noise reduction elastic piece is matched with the support grooves formed in the upper coil frame and the lower coil frame through the support between the noise reduction elastic piece of the insulating elastic sleeve and the support grooves, and therefore the vibration force of the upper coil frame and the vibration force of the lower coil frame can be relieved and reduced, and the noise generated by vibration is reduced.
Go up the coil former, down the coil former and the coil in the utmost point plate junction correspond a week equidistance in the outside and be fixed with shockproof elastic component, the valve rod holding ring is installed to the bottom of coil shell down the connecting block, this setting through shockproof elastic component can make and go up the effect of carrying out elastic support between coil former and the coil former to can make both junctions reduce the vibration range, and can reduce the coil in the utmost point plate spare and go up the coil former, down the coil former between the frictional noise of vibration, and then improve this expansion coil's low noise characteristic.
The utility model discloses a technological effect and advantage: this low-noise expansion valve coil, through the sound absorption noise reduction layer that sets up of last coil shell and lower coil shell inside wall, can adsorb the noise that the inside coil body of expansion valve produced in the course of the work and fall the effect of making an uproar, and can play the coil body guard action, thereby make the coil body can not produce collision friction with last coil shell and lower coil shell, through the setting of the right side combination piece of last coil shell and lower coil shell, and it is fixed as an organic whole design that last coil shell and lower coil shell pass through the bolt spare that establishes on the combination piece, can make the coil body break down the back, conveniently maintain the dismantlement decomposition of last coil shell and lower coil shell, and then make this expansion valve coil overhaul more convenient, through the setting of the inboard insulating telescopic support piece of last coil frame and lower coil frame, can make the elastic support power of going up coil frame, produce the noise that vibration friction between coil body and the last coil frame, the lower coil frame, thereby can effectively guarantee the stability between last coil frame, coil frame and the coil body.
The expansion valve coil can be stably and stably arranged between the upper coil frame and the lower coil frame through the movable clamping of the limiting circular arc plates arranged on the inner sides of the upper coil frame and the lower coil frame, noise generated by clearance friction can not be generated, the low-noise characteristic of the expansion valve coil can be further ensured, the stable limiting effect on the upper coil frame and the lower coil frame can be realized through the matching movable insertion between the insulating limiting ring and the limiting circular grooves arranged on the upper coil frame and the lower coil frame, the expansion valve coil can be enabled to work, the vibration of the upper coil frame and the lower coil frame can be reduced through the matching of the limiting circular grooves and the insulating limiting ring, the noise generated by the vibration of the upper coil frame and the lower coil frame can be reduced, the low-noise effect can be achieved, and the vibration strength of the upper coil frame and the lower coil frame can be reduced through the supporting matching between the insulating elastic sleeve, the noise reduction elastic piece and the supporting grooves.
Through the setting of the shockproof elastic piece, the effect of elastic support can be realized between the upper coil frame and the lower coil frame, the vibration amplitude of the joint of the upper coil frame and the lower coil frame can be reduced, the noise of vibration friction generated between the pole plate piece in the coil and the upper coil frame and between the pole plate piece and the lower coil frame can be reduced, and the low-noise characteristic of the expansion coil is further improved.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a bottom view of the upper coil housing of the present invention;
fig. 3 is a top view of the coil frame of the present invention;
fig. 4 is a partial front view of the present invention.
In the figure: 1. an upper coil housing; 2. a lower coil housing; 3. a coil middle pole plate; 4. a limiting arc plate; 5. an insulating limit ring; 6. an insulating elastic sleeve; 7. a noise reducing elastic member; 8. an upper coil support; 9. a lower coil frame; 10. a coil body; 11. a limiting circular ring groove; 12. a support groove; 13. an upper coil positioning plate; 14. a lower coil positioning plate; 15. a limiting clamping block; 16. a sound-absorbing noise-reducing layer; 17. combining the blocks; 18. an insulating telescopic support; 19. a wiring lead part; 20. a shock-resistant elastic member; 21. valve rod locating ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an expansion valve coil of low noise, including last coil shell 1, lower coil shell 2, utmost point plate 3 in the coil, the inside of going up coil shell 1 and 2 inside walls of lower coil shell is equipped with inhales the sound and falls the noise reduction layer 16, reach the effect of absorbing the diffusion of expansion valve coil internal noise, the right side of going up coil shell 1 and lower coil shell 2 all is equipped with combination piece 17, and it is fixed as an organic whole design to go up coil shell 1 and lower coil shell 2 through the bolt piece that is established on combination piece 17, the dismantlement in the later stage of being convenient for, the inside middle-end of going up coil shell 1 and lower coil shell 2 all runs through and is equipped with spacing circular arc board 4, the inboard spacing circular arc board 4 activity joint that establishes of going up coil shell 1 and lower coil shell 2 sets up the middle-end inboard of coil former 8 and lower coil former 9.
The outside a week of the correspondence of spacing circular arc board 4 all is equipped with insulating spacing ring 5, can guarantee the stability of coil shell 1 and lower coil shell 2, the corresponding outside a week equidistance of insulating spacing ring 5 is fixed with insulating elastic sleeve 6, can effectively avoid the influence to coil body 10 magnetic field work, the inside of insulating elastic sleeve 6 all is fixed with the elastic component 7 of making an uproar that falls, play the supporting role to the coil former, and can the production of noise reduction, coil frame 8 goes up, the one week equidistance that the junction corresponds the outside of utmost point plate spare 3 in coil frame 9 and the coil is fixed with shockproof elastic component 20, valve rod holding ring 21 is installed to the bottom cross the connecting block of lower coil shell 2, the upper and lower ends of utmost point plate spare 3 in the coil are equipped with coil frame 8 and lower coil frame 9 respectively, be convenient for cup jointing of coil body 10 fixed.
The upper coil frame 8, the lower coil frame 9 and the coil middle pole plate 3 are fixedly arranged inside the upper coil shell 1 and the lower coil shell 2, the left end and the right end of the inner side of the upper coil frame 8 and the lower coil frame 9 are symmetrically provided with insulating telescopic supporting pieces 18, vibration can be relieved, the surfaces of the upper coil frame 8 and the lower coil frame 9 are respectively sleeved with a coil body 10, an electromagnetic field can be generated, one surfaces of the upper coil frame 8 and the lower coil frame 9 are respectively provided with a limiting circular groove 11, the limiting effect on the upper coil frame 8 and the lower coil frame 9 can be achieved, vibration is reduced, and the insulating limiting ring 5 is movably inserted between the upper coil frame 8 and the limiting circular grooves 11 arranged on the lower coil frame 9 in a matching mode.
Supporting grooves 12 are arranged on the periphery of the limiting circular ring groove 11 corresponding to the outer side at equal intervals, so that elastic support is conveniently formed by the noise reduction elastic piece 7, the insulating elastic sleeve 6 arranged on the inner sides of the upper coil shell 1 and the lower coil shell 2 at equal intervals, the noise reduction elastic piece 7, the upper coil frame 8 and the supporting groove 12 arranged on the lower coil frame 9 are matched with each other to form elastic support design, so that the coil frame can be firmer and more stable, an upper coil positioning plate 13 and a lower coil positioning plate 14 are respectively arranged on the left sides of the upper coil frame 8 and the lower coil frame 9, limiting clamping blocks 15 are correspondingly arranged on the inner sides of the upper coil positioning plate 13 and the lower coil positioning plate 14, limiting fixing of an incoming line is achieved, and a wiring pin 19 is jointly formed at the left ends of the upper coil positioning plate 13 and the lower coil positioning plate 14, so that limiting fixing of an external connector and the external connector is facilitated.
Specifically, when the expansion valve is used, the sound absorption and noise reduction layer 16 is arranged on the inner side walls of the upper coil shell 1 and the lower coil shell 2, the effect of absorbing and reducing noise of the coil body 10 inside the expansion valve in the working process can be achieved, the coil body 10 can be protected, so that the coil body 10 cannot generate collision friction with the upper coil shell 1 and the lower coil shell 2, the upper coil shell 1 and the lower coil shell 2 are arranged on the right side combination block 17, the upper coil shell 1 and the lower coil shell 2 are fixed into a whole through the bolt pieces arranged on the combination block 17, after the coil body 10 breaks down, the upper coil shell 1 and the lower coil shell 2 can be conveniently detached and disassembled for maintenance, the expansion valve coil is more convenient to overhaul and maintain, the upper coil frame 8 and the lower coil shell 10 can generate elastic force through the arrangement of the upper coil frame 8 and the lower coil frame 9 inner side insulating telescopic support piece 18, the upper coil frame 8 and the lower coil frame 9 can effectively guarantee the noise of the upper coil frame 10 and the stability of the lower coil frame 10.
The limiting circular arc plates 4 arranged on the inner sides of the upper coil frame 1 and the lower coil frame 2 are movably clamped and arranged on the inner sides of the middle ends of the upper coil frame 8 and the lower coil frame 9, so that the upper coil frame 8 and the lower coil frame 9 can be more firmly and stably installed with the upper coil frame 1 and the lower coil frame 2, noise generated by clearance friction can not be generated, and the low-noise characteristic of the expansion valve coil can be further ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an expansion valve coil of low noise, includes upper coil shell (1), lower coil shell (2), pole plate spare (3) in the coil, its characterized in that: go up the inside middle-end of coil shell (1) and lower coil shell (2) and all run through and be equipped with spacing circular arc board (4), outside a week of the correspondence of spacing circular arc board (4) all is equipped with insulating spacing ring (5), corresponding outside a week equidistance of insulating spacing ring (5) is fixed with insulating elastic sleeve (6), the inside of insulating elastic sleeve (6) all is fixed with the elastic component (7) of making an uproar that falls, the upper and lower end of coil middle-pole plate spare (3) is equipped with coil-bobbin (8) and lower coil-bobbin (9) respectively, coil-bobbin (8) and lower coil-bobbin (9) surface have all cup jointed coil body (10) on, the one side of coil-bobbin (8) and lower coil-bobbin (9) all is equipped with spacing ring groove (11), a week corresponding outside of spacing ring groove (11) all is equipped with support groove (12), the left side of coil-bobbin (8) and lower coil-bobbin (9) is equipped with coil positioning plate (13), positioning plate (14) respectively, the common wiring board (13), lower coil-bobbin (14) have inboard corresponding locating block (13), lower coil-bobbin (14), the common locating pin (15).
2. A low noise expansion valve coil according to claim 1, wherein: go up coil shell (1) and coil shell (2) inside wall down and be equipped with sound absorption and fall noise layer (16), the right side of going up coil shell (1) and coil shell (2) down all is equipped with combination piece (17), and goes up coil shell (1) and coil shell (2) down and go up the bolt spare of establishing on combination piece (17) and fix as an organic whole design.
3. A low noise expansion valve coil according to claim 1, wherein: the upper coil frame (8), the lower coil frame (9) and the coil middle pole plate (3) are fixedly arranged inside the upper coil shell (1) and the lower coil shell (2), and insulating telescopic supporting pieces (18) are symmetrically arranged at the left end and the right end of the inner side of the upper coil frame (8) and the lower coil frame (9).
4. A low noise expansion valve coil according to claim 1, wherein: the limiting circular arc plate (4) arranged on the inner sides of the upper coil shell (1) and the lower coil shell (2) are movably clamped and arranged on the inner sides of the middle ends of the upper coil frame (8) and the lower coil frame (9), and the insulating limiting ring (5) is movably inserted and connected with the limiting circular groove (11) arranged on the upper coil frame (8) and the lower coil frame (9) in a matched mode.
5. A low noise expansion valve coil according to claim 1, wherein: and the insulating elastic sleeve (6) and the noise reduction elastic piece (7) are arranged on the inner sides of the upper coil shell (1) and the lower coil shell (2) at equal intervals, and the elastic support design is matched with the support grooves (12) arranged on the upper coil frame (8) and the lower coil frame (9).
6. A low noise expansion valve coil according to claim 1, wherein: go up coil-frame (8), down coil-frame (9) and coil in the corresponding a week equidistance in outside of pole plate spare (3) junction of coil elastic component (20) are fixed with takes precautions against earthquakes, valve rod holding ring (21) are installed to the bottom of coil shell (2) down the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221604132.1U CN218241547U (en) | 2022-06-24 | 2022-06-24 | Low-noise expansion valve coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221604132.1U CN218241547U (en) | 2022-06-24 | 2022-06-24 | Low-noise expansion valve coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218241547U true CN218241547U (en) | 2023-01-06 |
Family
ID=84674512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221604132.1U Active CN218241547U (en) | 2022-06-24 | 2022-06-24 | Low-noise expansion valve coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218241547U (en) |
-
2022
- 2022-06-24 CN CN202221604132.1U patent/CN218241547U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218241547U (en) | Low-noise expansion valve coil | |
| CN213043837U (en) | Damping loudspeaker | |
| CN206640746U (en) | In-Ear Headphones | |
| CN210137427U (en) | Earphone set | |
| CN219514198U (en) | Bluetooth headset with can dismantle wheat pole | |
| CN211457345U (en) | Wireless earphone | |
| CN217335874U (en) | High-fidelity Bluetooth noise reduction earphone | |
| CN212086481U (en) | Speaker monomer, sound production module and electronic terminal | |
| CN102420956B (en) | Fixing structure of television speaker | |
| CN214228418U (en) | Vehicle-mounted loudspeaker with high shockproof performance | |
| CN210093463U (en) | Earphone module with sound cavity | |
| CN209731516U (en) | A kind of earphone of replaceable microphone | |
| CN207184803U (en) | A kind of loudspeaker of new bullet ripple | |
| CN218998251U (en) | Ear hanging earphone with double-sound cavity | |
| CN220123068U (en) | Ultra-thin modified bullet ripples design formula speaker | |
| CN220273854U (en) | Speaker structure of noise reduction earphone | |
| CN111279716A (en) | Detachable combined sound box | |
| CN216146441U (en) | Outer rear cavity sealing structure of headband type ANC noise reduction earphone | |
| CN212231609U (en) | TV set box loudspeaker for improving tone quality | |
| CN212850153U (en) | Direct current motor with anti-electromagnetic interference assembly | |
| CN216852304U (en) | Bone conduction bluetooth headset equipment with light emitting structure is worn to head | |
| CN203193865U (en) | Horn and magnetic assembly thereof | |
| CN214851776U (en) | Wireless earphone with Hall element | |
| CN211702641U (en) | Current control box convenient to fix | |
| CN212435919U (en) | Loudspeaker shell fixing device with dustproof and moistureproof structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |